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1990C4S 1990C4S is offline
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Join Date: Sep 2009
Location: North of You
Posts: 9,160
You could have a bad circuit breaker. Borrow a clamp-on ammeter and measure the current.

I don't believe the burned common is the problem, that should not cause your circuit breaker to trip unless it is causing a heavy starting load to cycle repeatedly (like an air compressor or a fridge).

If there is no visual damage then you need a megger to do an insulation test.
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Last edited by 1990C4S; 02-12-2013 at 10:35 AM..
Old 02-12-2013, 10:32 AM
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